Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Que Unidade tem uma Razão de 1/32?
 ###Tabelas: CREATE TABLE singles:_26_16_titles_10_runners-up (singles:_26_16_titles_10_runners-up_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Year INT, Championship VARCHAR, Surface VARCHAR, Opponent in the final VARCHAR, Score in the final VARCHAR) CREATE TABLE administrative_divisions (administrative_divisions_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Hanzi VARCHAR, Hanyu Pinyin VARCHAR, Population (2004 est.) VARCHAR, Area (km²) VARCHAR, Density (/km²) VARCHAR) CREATE TABLE summary_of_general_election_performance (summary_of_general_election_performance_id AUTO_INCREMENT PRIMARY KEY, Year VARCHAR, Number of Candidates INT, Total votes INT, Average voters per candidate INT, Percentage of vote VARCHAR, Saved deposits INT, Change (percentage points) VARCHAR, Number of MPs INT) CREATE TABLE nascar_sprint_cup_series_race_winners (nascar_sprint_cup_series_race_winners_id AUTO_INCREMENT PRIMARY KEY, Season INT, Date VARCHAR, Winning Driver VARCHAR, Car # INT, Sponsor VARCHAR, Make VARCHAR, Distance VARCHAR, Avg Speed VARCHAR, Margin of Victory VARCHAR) CREATE TABLE ordinary_system (ordinary_system_id AUTO_INCREMENT PRIMARY KEY, Unit VARCHAR, Russian VARCHAR, Ratio VARCHAR, Metric value VARCHAR, Avoirdupois value VARCHAR)  
SELECT Unit FROM ordinary_system WHERE Ratio = 1/32